Revenue Recognition - Trade Allowance for Credit Losses (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Roll forward of notes and accounts receivable - trade allowance for credit losses | ||
| Allowance for Credit Loss, Beginning Balance | $ 260 | $ 235 |
| Additions / (Releases) | (15) | 63 |
| Write-offs | (28) | (39) |
| Other | 1 | 1 |
| Allowance for Credit Loss, Ending Balance | $ 218 | $ 260 |
| X | ||||||||||
- Definition Amount of other adjustments impacting the allowance for credit loss. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|